| | | |
| June 1, 2018 | W | Walla Walla Sweets 3 at Yakima Valley Pippins 2 | Final |
| June 2, 2018 | L | Walla Walla Sweets 5 at Yakima Valley Pippins 8 | Final |
| June 3, 2018 | L | Walla Walla Sweets 1 at Yakima Valley Pippins 8 | Final |
| June 4, 2018 | L | Walla Walla Sweets 0 at Bellingham Bells 5 | Final |
| June 5, 2018 | L | Walla Walla Sweets 0 at Bellingham Bells 1 | Final |
| June 6, 2018 | W | Walla Walla Sweets 5 at Bellingham Bells 1 | Final |
| June 8, 2018 | W | Corvallis Knights 0 at Walla Walla Sweets 2 | Final |
| June 9, 2018 | | Corvallis Knights at Walla Walla Sweets | Ppd. |
| June 10, 2018 | L | Corvallis Knights 2 at Walla Walla Sweets 1 (Game 1) | Final (7) |
| June 10, 2018 | W | Corvallis Knights 9 at Walla Walla Sweets 10 (Game 2) | Final (7) |
| June 15, 2018 | W | Bend Elks 1 at Walla Walla Sweets 5 | Final |
| June 16, 2018 | W | Bend Elks 7 at Walla Walla Sweets 8 | Final |
| June 17, 2018 | W | Bend Elks 6 at Walla Walla Sweets 12 | Final |
| June 19, 2018 | W | Walla Walla Sweets 7 at Wenatchee AppleSox 3 | Final |
| June 20, 2018 | L | Walla Walla Sweets 1 at Wenatchee AppleSox 3 | Final |
| June 21, 2018 | W | Walla Walla Sweets 10 at Wenatchee AppleSox 4 | Final |
| June 22, 2018 | W | Portland Pickles 4 at Walla Walla Sweets 5 | Final |
| June 23, 2018 | L | Portland Pickles 4 at Walla Walla Sweets 1 | Final |
| June 24, 2018 | W | Portland Pickles 3 at Walla Walla Sweets 5 | Final |
| June 25, 2018 | L | Victoria HabourCats 7 at Walla Walla Sweets 6 | Final (11) |
| June 26, 2018 | W | Victoria HabourCats 1 at Walla Walla Sweets 6 | Final |
| June 27, 2018 | W | Victoria HabourCats 7 at Walla Walla Sweets 9 | Final |
| June 29, 2018 | | Walla Walla Sweets at Corvallis Knights | Ppd. |
| June 30, 2018 | W | Walla Walla Sweets 18 at Corvallis Knights 5 | Final |
| July 1, 2018 | L | Walla Walla Sweets 2 at Corvallis Knights 3 (Game 1) | Final (7) |
| July 1, 2018 | W | Walla Walla Sweets 5 at Corvallis Knights 3 (Game 2) | Final (10) |
| July 2, 2018 | L | Walla Walla Sweets 4 at Bend Elks 6 | Final |
| July 3, 2018 | L | Walla Walla Sweets 6 at Bend Elks 8 | Final |
| July 4, 2018 | L | Walla Walla Sweets 4 at Bend Elks 10 | Final |
| July 6, 2018 | L | Wenatchee AppleSox 7 at Walla Walla Sweets 6 | Final |
| July 7, 2018 | W | Wenatchee AppleSox 2 at Walla Walla Sweets 3 | Final |
| July 8, 2018 | W | Wenatchee AppleSox 0 at Walla Walla Sweets 2 | Final |
| July 10, 2018 | L | Walla Walla Sweets 7 at Portland Pickles 10 | Final |
| July 11, 2018 | W | Walla Walla Sweets 2 at Portland Pickles 1 | Final |
| July 12, 2018 | L | Walla Walla Sweets 0 at Portland Pickles 12 | Final |
| July 18, 2018 | W | Bellingham Bells 4 at Walla Walla Sweets 5 | Final |
| July 19, 2018 | L | Bellingham Bells 4 at Walla Walla Sweets 2 | Final |
| July 20, 2018 | W | Bellingham Bells 0 at Walla Walla Sweets 5 | Final |
| July 21, 2018 | W | Cowlitz Black Bears 0 at Walla Walla Sweets 9 | Final |
| July 22, 2018 | L | Cowlitz Black Bears 10 at Walla Walla Sweets 3 | Final |
| July 23, 2018 | W | Cowlitz Black Bears 3 at Walla Walla Sweets 11 | Final |
| July 24, 2018 | L | Walla Walla Sweets 3 at Victoria HabourCats 10 | Final |
| July 25, 2018 | L | Walla Walla Sweets 3 at Victoria HabourCats 4 | Final |
| July 26, 2018 | L | Walla Walla Sweets 4 at Victoria HabourCats 6 | Final |
| July 27, 2018 | W | Walla Walla Sweets 11 at Port Angeles Lefties 6 | Final |
| July 28, 2018 | L | Walla Walla Sweets 2 at Port Angeles Lefties 3 | Final |
| July 29, 2018 | L | Walla Walla Sweets 4 at Port Angeles Lefties 7 | Final |
| July 31, 2018 | L | Kelowna Falcons 3 at Walla Walla Sweets 2 | Final |
| August 1, 2018 | W | Kelowna Falcons 6 at Walla Walla Sweets 7 | Final |
| August 2, 2018 | W | Kelowna Falcons 0 at Walla Walla Sweets 2 | Final |
| August 3, 2018 | W | Yakima Valley Pippins 3 at Walla Walla Sweets 4 | Final |
| August 4, 2018 | W | Yakima Valley Pippins 3 at Walla Walla Sweets 7 | Final |
| August 5, 2018 | L | Yakima Valley Pippins 9 at Walla Walla Sweets 3 | Final |
| August 6, 2018 | L | Walla Walla Sweets 0 at Cowlitz Black Bears 13 | Final |
| August 7, 2018 | W | Walla Walla Sweets 5 at Cowlitz Black Bears 3 | Final |
| August 8, 2018 | L | Walla Walla Sweets 0 at Cowlitz Black Bears 3 | Final |
Walla Walla Sweets Schedule
